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| 页岩气田细菌腐蚀与控制技术研究及应用 |
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王月1,2,3,袁曦1,2,3,王彦然1,2,3,杨建英4,青松铸4
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1.中国石油西南油气田公司天然气研究院;2.国家能源高含硫气藏开采研发中心 ;3.中国石油集团公司高含硫气藏开采先导试验基地;4.四川长宁天然气开发有限责任公司
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| 摘要: |
| 在页岩气开采过程中,页岩气田的油管及集输系统普遍存在细菌腐蚀问题。针对该问题,对细菌来源进行了溯源分析,提出了控制细菌措施,并进行了现场试验。推荐的杀菌剂CT10-4,杀菌效果良好,且兼具清洗作用。加注杀菌剂后,返排液明显变清澈,杀菌现场试验停止加药后,持续有效期达28天。 |
| 关键词: 页岩气田 SRB 腐蚀控制 CT10-4 |
| DOI：10.3969/j.issn.1007-3426.2021.05.015 |
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| Study and application of bacterial corrosion control techniques in shale gas field |
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Wang Yue1,2,3, Yuan Xi1,2,3, Wang Yanran1,2,3, Yang Jianying4, Qing Songzhu4
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1. Research Institute of Natural Cas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan, China;2. National Energy High-Sour Gas Reservoir Exploitation and R & D Center, Chengdu, Sichuan, China;3. High Sulfur Gas Exploitation Pilot Test Center, CNPC, Chengdu, Sichuan, China;4. Sichuan Changning Natural Gas Development Co., Ltd, Chengdu, Sichuan, China
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| Abstract: |
| Aiming at the problem of bacterial corrosion in tubing and gathering system during shale gas exploitation, the source of bacteria was traced. The corresponding corrosion control measures were put forward and the field applications were carried out. The results show that the corrosion control measures are good. The recommended bactericide CT10-4 has a good bactericidal effect, and it also has a cleaning effect. After adding CT10-4, the production fluid became clear, and the bactericidal effect can last for 28 days after stopping dosing. |
| Key words: shale gas SRB corrosion control CT10-4 |
